Milk tester



June 13, 1939. J 3, CASE 2,162,156

MILK TESTER Filed March 24, 1938 2 Shets-Sheet l Inventor L [lg am .4 itnrneys June 13,1939. CASE 2,162,156

MILK TESTER Filed March 24, 1958 2 Sheets-Sheet 2 I n venior Jkn 17 Case By M 5m Attorneys Patented June 13, 1939 UNITED STATES PATENT OFFICE MILK TESTER John Dumont Case, Clinton, N. J.

Application March 24, 1938, Serial No. 197,924

1 Claim. (01. 73-51) The present invention relates to a novel means indicated in the drawings. At the lower end of for examining milk as it comes from the cow. the plate "I a fine mesh screen 8 is mounted hori- Milk, due to mastitis, is often watery, fiakey, zontally in the frame 3. The screen 8 is adapted thick in consistency, etc., and this condition is to receive the milk from the inclined plate I and often difiicult to detect. It is therefore the prisaid screen extends over that area of the small 5 mary object of the present invention toprovide end portion of the frame 3 which is not covered novel means whereby the detection of the above by said plate I. mentioned conditions in milk will be greatly fa- It is thought that the manner of using the cilitated. device will be readily apparent from a consid- 10 Other objects of the invention are to provide a eration of the foregoing. The device is held in 10 milk examining or testing device of the aforeone hand by the handle 2, leaving the other hand mentioned character which will be comparatively free to draw the milk to be tested from the cow. simple in construction, strong, durable, highly The stream from the teat is directed against the efficient and reliable in use, compact, sanitary contrastingly colored inclined plate 1 down which and which may be manufactured at low cost. it flows by gravity to the screen 8. As the milk 15 All of the foregoing and still further objects thus flows over the plate 1, defects therein may and advantages of the invention will become apbe easily detected. Then, the screen 8 strains parent from a study of the following specificacoarse particles from the milk as it passes theretion, taken in connection with the accompanying through into the receptacle I. It will thus be drawings wherein like characters of reference seen that the device provides what may be re- 2 designate corresponding parts throughout the ferred to as a double check on the milk. The

several views, and wherein: particular shape of the frame 3 prevents the plate Figure 1 is a view in side elevation of an em- I from sliding downwardly. The plate I may be bodiment of the invention. expeditiously mounted in position in the groove Figure 2 is a top plan view thereof. 5 y S p y flexing said plate, substantially as 25 Figure 3 is a view in vertical longitudinal sected in b o e lines in 4 Of th d awtion through the invention, taken substantially gS- on the line 3 3 of Figure 2. It is believed that the many advantages of a Figure 4 is ection l ie through a upper milk examining or testing device constructed in portion of the invention, taken substantially on accordance with the present invention will be 30 the line 44 of Fig. 1. readily understood and although a preferred em- Figure 5 is a detail view in perspective of the bodiment of said device is as illustrated and deinclined plate, scribed, it is to be understood that changes in Referring now to the drawings in detail, it the details of construction and in the combinawill be seen that the embodiment of the inventi n and arra m of parts a be s t d 35 tion which has been illustrated comprises a reto which will fall within the scope of the invenceptacle of suitable material in the form of a tion as claimed. cup I, said receptacle being substantially ovate What is claimed is: in plan, as seen in Fig. 2 of the drawings. Mount- A milk tester of the class described comprising ed on the receptacle l is a handle 2. Of course, a substantially ovate receptacle, a handle on one 4 the receptacle I may be of any suitable capacity. end of said receptacle, a frame removably mount- Removably mounted in the upper portion of ed in the upper portion of the receptacle and the receptacle I and conforming substantially conforming thereto, said frame including a rib in shape thereto is a frame 3 of suitable material. on its outer periphery engageable with the top The frame 3 has formed in its lower portion an of the receptacle, the large end portion of the 45 outwardly pressed rib or the like 4 which is adaptframe having an inclined top extending upwardly ed to rest on top of the receptacle I. This is from the small end portion of said frame, the shown to advantage in Fig. 3 of the drawings. large end portion of the frame having a channel The frame 3 includes an upwardly extending in its inner periphery, a black, inclined flat plate large end portion 5 having formed in its inner removably mounted in the channel, and a hori- 50 periphery a channel 6 for the reception of an zontal screen mounted in the frame at the lower inclined plate 1 of any suitable material, prefend of the inclined plate. erably metal. The plate is of any suitable color contrasting to that of milk, such as black, as JOHN DUMONT CASE. 

